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Finding the Fourth Proportional to 25,175.94, 37,766.99 and 8,540.73

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Solution

The fourth proportional to 25,175.94, 37,766.99 and 8,540.73 is: 12,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.94 : 37,766.99 = 8,540.73 : x
  2. Step 2: Convert to fraction form
    25,175.94/37,766.99 = 8,540.73/x
  3. Step 3: Cross multiply
    25,175.94x = 37,766.99 × 8,540.73
  4. Step 4: Simplify right side
    25,175.94x = 322,557,621.80
  5. Step 5: Solve for x
    x = 322,557,621.80/25,175.94
  6. Step 6: Final answer
    x = 12,812.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.